Yates, J. (2013). Instant Sinatra starter: Your practical guide to getting started with Sinatra to quickly create simple web applications. Packt Pub..
Citace podle Chicago (17th ed.)Yates, Joe. Instant Sinatra Starter: Your Practical Guide to Getting Started with Sinatra to Quickly Create Simple Web Applications. Birmingham: Packt Pub., 2013.
Citace podle MLA (9th ed.)Yates, Joe. Instant Sinatra Starter: Your Practical Guide to Getting Started with Sinatra to Quickly Create Simple Web Applications. Packt Pub., 2013.
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